ISSN:
1615-6110
Schlagwort(e):
Angiosperms
;
Rubiaceae
;
Rubieae
;
Crucianella sect.Roseae
;
C. platyphylla (spec. nova)
;
C. gilanica (with subspp. and stat. nov.)
;
C. suaveolens andC. sintenisii
;
Systematic revision
;
eco-geographical analysis
;
Flora Iranica
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Biologie
Notizen:
Abstract The perennial taxa ofCrucianella in Asia form a coherent group, apparently diploid (x = 11) and outbreeding throughout, and should be placed into sect.Roseae. This Irano-Turanian group has its centre of diversity in the mountain systems south of the Caspian Sea and reaches with outposts NE. and E. Anatolia, NE. Iraq, S. Iran and C. Asia. Four species and 13 subspecies (within the polymorphicC. gilanica) are recognized, described (partly as new), and illustrated (Figs. 1–6). Conspectus, keys and distribution maps (Figs. 7 and 8) as well as plesio- and apomorphic character states and data on size of areas are provided (Table 1). There is an obvious correlation between more plesiomorphic taxa with smaller areas in the distribution centre of the group, and more apomorphic taxa with larger areas towards its periphery (Fig. 9). These findings are linked to a working hypothesis on the evolution of the group.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF00936040
